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2320ff76d7
We turned off the CMN instruction because it had semantics which we weren't getting correct. If we are comparing with an immediate, then it's okay to use the CMN instruction. <rdar://problem/7569620> llvm-svn: 158302
23 lines
445 B
LLVM
23 lines
445 B
LLVM
; RUN: llc < %s -mtriple thumbv7-apple-ios | FileCheck %s
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; <rdar://problem/7569620>
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define i32 @compare_i_gt(i32 %a) {
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entry:
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; CHECK: compare_i_gt
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; CHECK-NOT: mvn
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; CHECK: cmn
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%cmp = icmp sgt i32 %a, -78
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%. = zext i1 %cmp to i32
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ret i32 %.
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}
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define i32 @compare_r_eq(i32 %a, i32 %b) {
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entry:
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; CHECK: compare_r_eq
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; CHECK: cmn
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%sub = sub nsw i32 0, %b
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%cmp = icmp eq i32 %a, %sub
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%. = zext i1 %cmp to i32
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ret i32 %.
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}
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